The Caterpillar 4F2612 Gasket is an aftermarket replacement gasket identified by CAT part number 4F2612, designed for use with Caterpillar heavy equipment. Some listings describe it as a paper gasket, reflecting a single-seal interface used between mating surfaces in engine assemblies. An aftermarket variant is offered as M-4F2612 by Interstate-McBee, marketed as a direct replacement gasket for Caterpillar engines. Other catalog entries associate 4F2612 with Caterpillar engine families around models such as 3508, 3512, and 3516, where the gasket serves to restore sealing integrity in the corresponding assemblies.
